【单选题】
在起下钻中计量罐的液量异常说明是井漏或者( )。___
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相关试题
【单选题】
发生溢流之后,一般采用的关井方法是( )。___
A. 硬关井
B. 软关井
C. 试关井
D. 启动转喷器
【单选题】
硬关井的关井动作比软关井要( )。___
【单选题】
软关井的程序为先( )。___
A. 关防喷器
B. 开防喷器
C. 关节流管汇
D. 开节流管汇
【单选题】
离心泵泵轴的作用是借( )和电动机相连接。___
【单选题】
启动离心泵的步骤正确的是( )。___
A. 盘泵查看转动情况,试启动电动机观察运转方向,再向泵和吸水管内灌满水,打开排水阀门,最后启动离心泵
B. 盘泵查看转动情况,再向泵和吸水管内灌满水,打开排水阀门,最后启动离心泵
C. 盘泵查看转动情况,试启动电动机观察运转方向,打开排水阀门,最后启动离心泵
D. 试启动电动机观察运转方向,再向泵和吸水管内灌满水,打开排水阀门,最后启动离心泵
【单选题】
向离心泵和管线内灌满引水的目的是( )。___
A. 排净空气
B. 检验密封
C. 排除泥浆
D. 检验运转方向
【单选题】
离心泵启动前应( ),以免产生气缚现象。___
A. 关闭出口阀门
B. 灌满液体
C. 检查轴封
D. 润滑轴承
【单选题】
离心泵不排液原因可能是( )。___
A. 底座松动
B. 泵内气体未排完
C. 泵轴弯曲
D. 安装不对中
【单选题】
启动振动筛要( )。___
A. 先盘动查看转动情况,再挂合启动
B. 先挂合启动运转,再盘泵仔细检查
C. 先试运转
D. 先试压,再挂合启动看转向
【单选题】
振动筛在正常工作状况下,除砂的效果与( )无关。___
A. 泥浆的体积
B. 振幅
C. 倾角
D. 马达的频率
【单选题】
振动筛的筛网目数是指在每( )面积上有多少孔即为多少目。___
A. 平方米
B. 平方英寸
C. 平方英尺
D. 平方毫米
【单选题】
当钻井液粘度高的时候应该选用目数( ),并且孔( )的振动筛筛布。___
A. 高 大
B. 低 大
C. 高 小
D. 低 小
【单选题】
振动筛上的岩屑向上跑的原因是( )。___
A. 电机转向不对
B. 皮带轮不正
C. 皮带损坏
D. 皮带过松、
【单选题】
泥浆进入除砂器后,经过分离的固相经( )排出,轻流则经( )回流到泥浆池。___
A. 底流口 溢流管
B. 溢流管 底流口
C. 底流口 进液口
D. 进液口 溢流管
【单选题】
排砂口有大量泥浆排出的原因可能是( )。___
A. 泥浆中固相含量少
B. 排砂口堵塞
C. 供液压力不足
D. 供液口堵塞
【单选题】
导致除泥器底流串状排泄的原因不可能是( )。___
A. 顶部阀门太小
B. 进口压力太小
C. 钻井液粘度太高
D. 进口压力太高
【单选题】
钻机液固相控制的第一级设备是( )。___
A. 旋流器
B. 离心机
C. 清洁器
D. 振动筛
【单选题】
润滑油的热安定性表示( )。___
A. 抗老化性能
B. 耐高温能力
C. 抗腐蚀性
D. 抗泡性
【单选题】
钻具螺纹脂的作用有( )。___
A. 冷却.密封
B. 密封与润滑
C. 润滑与洗涤
D. 洗涤与冷却
【单选题】
钻具螺纹脂可用于油气田.矿山.地质钻井用的钻具的( )。___
A. 连接螺纹
B. 摩擦对焊
C. 润滑
D. 防腐
【单选题】
螺纹脂按使用对象可分为( )等。___
A. 钻杆螺纹脂.钻铤螺纹脂
B. 钻杆螺纹脂.套管螺纹脂
C. 钻杆螺纹脂.钻铤螺纹脂.套管螺纹脂
D. 钻铤螺纹脂.套管螺纹脂
【单选题】
气动绞车主要由( )组成。___
A. 动力部分.传动部分.卷扬部分
B. 气缸. 连杆.配气阀.操纵手柄及进气口等
C. 转动轴.曲轴.离合器.大小齿轮
D. 卷筒及其制动装置
【单选题】
气动绞车依靠( )来驱动马达,经过两级齿轮减速来带动滚筒转动,实现提升各种重物。___
A. 电源
B. 链条传动
C. 压缩空气
D. 氮气
【单选题】
气动绞车通过控制阀箱操作手柄改变( )方向,可实现倒转。___
A. 离合器挂合
B. 马达转动
C. 进气
D. 链条传动
【单选题】
气动绞车刹带及刹车鼓之间要保持清洁干燥,防止油.污水进入,刹车效果不好可通过调节( )进行,严禁往刹带内塞面纱等物。___
A. 刹车手柄螺栓
B. 活塞销
C. 离合器手柄
D. 曲轴
【单选题】
气动绞车钢丝绳在使用中任何时候滚筒钢丝绳剩余量不得少于( )滚筒长度。___
A. 1/4
B. 1/3
C. 1/2
D. 1
【单选题】
气动绞车的操作人员应在指导师傅的监督下至少接受( )小时的实操训练,经指导师傅鉴定完全合格后方可在工作中操作气动绞车。___
【单选题】
以下关于气动绞车使用,不正确的是:( )。___
A. 在刹死刹车后,人可以在吊重物期间离开
B. 不要用手去排绳子
C. 眼睛要观察指挥手势.吊物及绳子排放情况
D. 刹带及刹车鼓之间要保持清洁干燥,防止油污水等进入
【单选题】
卸扣.吊环.眼板和吊钩属于( )。___
A. 系物
B. 被系物
C. 系物器件
D. 固定件
【单选题】
系物大致可以分为( )等几类。___
A. 钢丝绳索具.吊带.链索
B. 金属吊索具和吊带
C. 危险品设备
D. 框架结构件
【单选题】
下列属于敞开式箱件的是( )。___
A. 吊篮
B. 气瓶架子
C. 料笼
D. 承载专用设备的框架
【单选题】
下列属于危险品设备的是( )。___
A. 吊篮
B. 气瓶架子
C. 料笼
D. 承载专用设备的框架
【单选题】
关于吊带下列描述不正确的是( )。___
A. 使用时应避免软环张开角度超过30°
B. 吊带应在避光和无紫外线辐射的条件下存放
C. 不应把吊装带存放在明火旁或其他热源附近
D. 不使用吊装带时,应将吊带放置在光线好的地方上
【单选题】
绳套严重锈蚀部分小于原直径的( )%就应该报废。___
【单选题】
吊索分支之间的夹角一般应在( )之间,最大不超过120°。___
A. 60°~90°
B. 45°~60°
C. 30°~60°
D. 45°~90°
【单选题】
吊索主要具有( )两大类。___
A. 金属吊索具和合成纤维吊索具
B. 钢丝绳吊索类和带类吊索具
C. 磁性吊索具和钢丝绳吊索类
D. 钢丝绳吊索具和吊钩.卸扣类
【单选题】
钢丝绳破断拉力现场计算公式中英分直径的平方 ÷ 2得出的单位是( )。___
推荐试题
【单选题】
(1)Whieh of the following descriptions about the characteristics of physiology is wrong?___
A. It is the study of how living organisms work.
B. It illustrates the discipline of the development and the evolution of disease and the essence of disease.
C. It is to study the living phenomena and the function activities of living organs.
D. It is to explain how they are regulated and integrated.
【单选题】
(2) Which of the following are specialized in producing force and movement?___
A. muscle cells
B. connective tissues
C. nerve cells
D. epithelial cells
【单选题】
(3)The fluid environment surrounding each cell is called the___
A. intracellular fluid
B. intracellular fluid
C. internal environment
D. external environment
【单选题】
(4) Which of the following is not the fundamental characteristic of living organisms?___
A. metabolism
B. adaption
C. reproduction
D. passive diffusion
【单选题】
(5)Whicl of the following is a physiological process with negative feedback?___
A. blood coagulation
B. process of passing urine
C. sino-aortic baroreceptor reflex
D. process of parturition
【单选题】
(6)Which of the following is not the characteristic of regulation by hormone?___
A. diffusenin nature
B. longer in duration
C. accurate in action
D. action in overcorrection
【单选题】
7)Which of the following is not the characteristic of cells?___
A. They are bound by the plasma membrane
B. They have the ability to break down large molecules to smaller ones to Liberate energy for their activities
C. They possess a nucleus which contains genetic information in the form of deoxyribonucleicacid(DNA).
D. Living cells can not transform materials.
【单选题】
8)The breakdown of large molecules to smaller ones is called___
A. respiration
B. anabolism
C. catabolism
D. absorption
【单选题】
9) Which of the following descriptions about the characteristics of nervous regulation is wrong?___
A. It responds fast
B. It acts exactly
C. It responds slowly.D.
D. uration is short
【单选题】
10)Which of the following descriptions about the control of body function is wrong?___
A. Homeostasis is kept by feedback control.
B. Negative feedback minimizes the changes, leading to stability.
C. Positive feedback is not useful.
D. Feed-forward makes human body foresee and adapt itself to the environment promptly.
【单选题】
(1)Which of the following parts of knowledge of drugs should be included in pharmacology?___
A. The effects of drugs on man
B. The correlation of biological activity with chemical structure
C. The history, source, physical and chemical properties, compounding, biochemical and physiologicaleffects, mechanisms of action, absorption, distrilbution, biotransformation and excretion.
D. The prevention, recognition, and treatment of drug poisonings
【单选题】
(2)Which of the following is what a clinician is primarily interested in according to the text?___
A. Drugs which can be reasonably limited to those aspects that provide the basis for their rational clinical use
B. Chemical agents that are not used in therapy but are commonly responsible for household and industrial poisoning as well as environmental pollution
C. Drugs which are useful in the prevention,diagnosis and treatment of human disease,or in the prevention of pregnancy.
D. rugs which are useful in the prevention, diagnosis and treatment of human disease, or in the prevention of pregnancy.
【单选题】
(3)Why was the physician not interested in pharmacognosy?___
A. He didn't have to select the proper plants for his prescription
B. He had a broad botanical knowledge
C. Fewer drugs were obtained from natural sources
D. Natural drugs had little difference with synthetic ones
【单选题】
(4)Which of the following is the best way of studying pharmacology for medical students and practitioners?___
A. to have a broad botanical knowledge
B. to select a plant and its preparation
C. to have the ability to purify natural plants
D. to have curiosity that stimulates them to learn about sources of drugs
【单选题】
(5)What are the tasks related to medicines almost complete!y delegated to the pharmacists now?___
A. the physical and chemical properties of medicines
B. the preparing, compounding, and dispensing of medicines
C. dosage forms of medicines available
D. the therapeutic and other uses of medicines
【单选题】
(6) What is a main unique aspect of pharmacodynamics?___
A. Pharmacodynamics is an experimental medical science
B. Pharmacodynamics is focused on the characteristics of drugs
C. Pharmacodynamics borrows freely from both the subject matter and the experimenta techniques of physiology, biochemistry, microbiology, genetics and pathology
D. Pharmacodynamics correlates the entire field of preclinical medicine
【单选题】
7) What time of history does pharmacodynamics date back to?___
A. the second half of the seventeenth century
B. the second half of the eighteenth century
C. the second half of the nineteenth century
D. the second half of the twentieth century
【单选题】
8)What does the research on pharmacodynamics focus on?___
A. study of clinical effect of drugs
B. study of the process of drugs in the body
C. study of the effect and the mechanism of drugs on the body
D. study of the correlation of the actions and effects of drugs with their chemical structure
【单选题】
(9)Which of the following is true when drugs are selected?___
A. It has to be based in part on legal reasons.
B. It has to be based in part on ethical reasons.
C. It has to be based in part on the pharmacological evaluation in man
D. It has to be based in part on the pharmacological evaluation in animals
【单选题】
(10)Why are chemotherapeutic agents useful in therapy?___
A. They stimulate or depress biochemical or physiological function in man in a sufficiently reproducible manner to provide relief of symptoms or, ideally, to alter favorably the course of disease
B. They can produce desired effects with only tolerable undesired effects
C. They have only minimal effects on man but can destroy or eliminate parasites
D. The selectivity of their effects is one of their most important characteristics
【单选题】
1)H. Mario Geysen initially used parallel synthesis as a quick way to identify which small_____ of any given large protein bound to an antibody.___
A. division
B. pieces
C. part
D. fragment
【单选题】
2)Chemists often start a combinatorial synthesis by attaching the first set of building blocks_____ to microscopic beads made of polystyrene.___
A. solid
B. inert
C. soft
D. active
【单选题】
3)The chemical reactions required to link compounds to the beads and later to detach them____ to the synthesis proces.___
A. induce complications
B. make easy
C. introduce complications
D. introduce easy
【单选题】
4)In a parallel synthesis, all the products are_____ separately in their own reaction vessels.___
A. combined
B. assembled
C. joined
D. assorted
【单选题】
(5)In many laboratories today, robots assist with the routine work of parallel synthesis, such as small___ amounts of reactive molecules into the appropriate wells.___
A. sending
B. transporting
C. delivering
D. giving
【单选题】
(6)Scientists can pull out from the mixture the beads that bear biologically active molecules and then,using sensitive detection techniques,___ the molecular makeup of the compound attached.___
A. determine
B. make sure
C. find
D. search
【单选题】
(7)Most pharmaceutical companies today continue to___ parallel synthesis. Which of the following is not appropriate to be filled in the blank?___
A. count in
B. count on
C. depend on
D. rely on
【单选题】
(8)Once they identify a promising substance, they___ make many one-at-a-time modifications to the structure.___
A. laboriously
B. hardly
C. easy
D. effectively
【单选题】
(9)Often these procedures yield a compound having acceptable___ and safety.___
A. strength
B. effect
C. potency
D. effort
【单选题】
10)In many laboratories today, robots___ the routine work of parallel synthesis.___
A. help
B. assist with
C. assist in
D. assist to
【单选题】
(1)Pharmaceutics is an interdisciplinary subject involving___
A. formulation, manufacturing, physical pharmacy, and biopharmaceutics
B. manufacturing
C. physical pharmacy
D. biopharmaceutics
【单选题】
(2)Formulation is about the design, development and evaluation of dosage forms,___
A. discovery of novel drugs
B. analytical methods
C. drug delivery systems and manufacturing process
D. dosing regimen
【单选题】
(3)Biopharmaceutics mainly studies the in vivo process of drugs and metabolites in humans, animals and tissue culture, which specifically involves___
A. absorption and distribution
B. absorption, distribution, metabolism, and excretion
C. metabolism and excretion
D. absorption and excretion
【单选题】
(4)Regarding the definition of bioavailability(BA), BA is related to___
A. total plasma drug concentration only
B. unbound drug concentration in the plasma
C. unbound drug concentration at the target site
D. total plasma drug concentration, and the administered drug dose
【单选题】
(5)Plasma drug concentration is affected by following factors such as___
A. rate of absorption
B. rate and extent of distribution
C. rate ofeli Imination
D. all ofabove
【单选题】
6)Which of the following routes of administration will involve the absorption of drugs?___
A. i.v.injection
B. i.v.infusion
C. Subcutaneous injection, transdermal and oral
D. None of above
【单选题】
(7)Which of the following factors may influence the time course of a drug in the plasma and hence at its site of action?___
A. Food
B. Disease state
C. Route of administration
D. All of above
【单选题】
(8)Please identify the potential biological barriers for an orally administered tablet to be absorbed into the systemic circulation___
A. Sk d dermis
B. Gastrointestinal epithelium
C. Oral mucosal membrane
D. All of above
【单选题】
(9) Given the same administration dose, which of the following will likely result in varying bioavailabilities for the same drug administered to the same person? ___
A. tablets (p.o. )vs. solutions(p0.)
B. solutions for injection(i v )vs oral solutions(p0.)
C. coated tablets (p.0. )vs hard gelatin capsules(p0.)
D. All ofabove
【单选题】
(10)Which of the following statements is true?___
A. Bioavailability is only related to the administered dose and the total drug concentration in the blood circulation.
B. Plasma protein binding does not affect the bioavailability of a specific drug.
C. A given drug in different dosage forms may show differences in bioavailability if given by the same route.
D. Biopharmaceutical studies do not involve animal experiment.